JPH11266622A - Squeezing method and device for transplanter - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To transplant seedlings supplied to deep planting holes,
An object of the present invention is to provide a repressing method and a repressing device for a transplanting machine, which can compact a root pot without collapsing an upper part of the planting hole. SOLUTION: In a transplanting machine including a traveling device 1 and a transplanting device 2 provided in the traveling device 1, the transplanting device 2 is provided.
Has a planting device 22 for piercing a planting hole 52 in a field and planting a seedling in the hole, and a pressure-reducing device 23 for crushing the periphery of the planting hole 52. Has a pressure-reducing member 50 disposed laterally in the left-right direction of the planting hole 52 in the traveling direction, and the pressure-reducing member 50 has a pressing direction line at the planting-hole-side end accommodated in the planting hole 52. The seedlings are arranged obliquely so as to pass outside the root pot portion 53 of the seedlings.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for compressing a transplanter.

[0002]

2. Description of the Related Art As this type of transplanter, for example, one described in Japanese Patent Application Laid-Open No. 9-172818 is known. This conventional transplanting machine includes a traveling device and a transplanting device provided in the traveling device. The transplanting device includes a planting device for piercing a planting hole in a field and planting a seedling in the hole. And a pressure-reducing device for repressing the periphery of the planting hole. The pressure-reducing device suppresses the hanging branches and leaves of the planted seedlings by suppressing the pressure in the immediate vicinity of the planting cup of the planting device.

[0003]

When the method and apparatus described in the above publication are applied to transplanting tobacco seedlings, the following problems occur. In other words, in transplanting tobacco seedlings, the planting hole must be deeply drilled and the seedlings must be planted deep underground. As it passes, the upper part of the planting hole collapses,
There was a problem that the foliage was buried in the soil and adversely affected the subsequent growth.

In view of the above, the present invention provides a method and a device for compressing a rooting plant capable of compacting a root pot without collapsing an upper portion of the planting hole in transplanting a seedling supplied to a deep planting hole. The purpose is to provide.

[0005]

In order to achieve the above object, the present invention takes the following measures. That is, the method of the present invention supplies seedlings to the planting holes, and in a method of suppressing the periphery of the planting holes, without disintegrating the upper parts of the planting holes, extruding and solidifying the lower parts of the planting holes, Press the periphery of the planting hole. Pressing of the periphery of the planting hole is performed by a pressure-suppressing member provided in the traveling device, and the pressure-suppressing member is disposed laterally in the lateral direction of the planting hole in the traveling direction. The pressing direction line at the side end is arranged obliquely so as to pass outside the root pot of the seedling stored in the planting hole.

Further, the present invention provides a transplanting machine comprising a traveling device and a transplanting device provided in the traveling device, wherein the transplanting device has a planting hole in a field and a seedling is planted in the hole. And a pressure-reducing device that relieves the periphery of the planting hole, and the pressure-reducing device has a pressure-reducing member that is disposed on the lateral side of the planting hole in the traveling direction. The pressure-reducing member is obliquely disposed so that the pressing direction line at the planting hole side end passes outside the root pot portion of the seedling stored in the planting hole.

The crushing member is composed of crushing wheels arranged on both left and right sides of the planting hole, and the inclination arrangement angle of the crushing wheels can be adjusted.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2, the transplanter includes a traveling device 1 and a transplanting device 2 provided in the traveling device 1. The traveling device 1 has a vehicle body 3, and an engine (not shown), a transmission case 4, and the like are attached to the vehicle body 3. The engine and the transmission case 4 are covered with a hood 5. A pair of left and right front wheel support shafts 6 are provided in the front part of the vehicle body 3 so as to protrude in the left and right direction. A front wheel arm 7 is provided on the support shaft 6, and a front wheel 8 is rotatable at the tip of the arm 7. It is supported by. A rear wheel support shaft 9 is provided from both left and right sides of the transmission case 4 so as to protrude in the left and right direction. A transmission case 10 is attached to the support shaft 9, and a rear wheel 11 is supported at a distal end of the transmission case 10. I have. A running power transmission shaft 12 is inserted through the shaft center of the rear wheel support shaft 9, and the power of the engine is transmitted from the transmission shaft 12 to the rear wheel 11 via the inside of a transmission case 10. .

The transmission case 10 is vertically swingable by the operation of a lifting cylinder 13. The movement of the elevating cylinder 13 is transmitted to the front wheel support shaft 6 via the interlocking link 14, the front wheel arm 7 also swings up and down, and the height of the front and rear wheels 8, 11 and the body 3 is adjustable. . In addition, the operation of the rolling cylinder 15 causes the left and right transmission cases 10 to swing in opposite directions, and this swing causes the left and right front wheel arms 7 to swing in opposite directions via the interlocking link 14 so that the vehicle body 3 is capable of rolling in the left-right direction. Further, the distance between the left and right front wheel arms 7 and the distance between the left and right transmission cases 10 can be freely adjusted so that the wheel distance can be adjusted.

A machine frame 16 extending rearward is fixed to an upper portion of a rear portion of the transmission case 4. A handle 17 is attached to the rear end of the machine frame 16. Further, a planting frame 18 is attached to the lower portion of the rear portion of the mission case 4 so as to extend rearward and swing vertically. The machine frame 16 and the planting frame 18
Is provided with the transplanting device 2.

[0011] The transplanting device 2 includes a ground leveling device 19 provided at the lower abdomen of the transmission case 4 and a machine frame 16.
A seedling supply device 20 provided on the rear portion and on the handle 17, a seedling removal device 21 provided on the machine frame 16 in front of the seedling supply device 20, and the planting below the seedling removal device 21. An implanting device 22 provided on the frame 18,
There is a pressure-reducing device 23 provided on the planting frame 18 behind the planting device 22.

The ground leveling device 19 includes a transmission case 4
Bracket 2 provided on the lower abdomen so that it can swing up and down
4, and a leveling roller 25 is rotatably supported by the bracket 24. The leveling roller 25 is configured to roll on the top surface of the ridge. The seedling supply device 20,
There is a seedling table 26 for intermittently feeding a seedling tray containing a large number of pot seedlings (soiled seedlings) vertically and horizontally. The seedling mounting table 26 is arranged to be inclined upward toward the rear so that the seedlings can be taken out from the seedling tray.

The seedling removal device 21 is for taking out soiled seedlings one by one from the seedling tray and supplying them to the planting device 22, and includes a pair of left and right removal claws 27 pierced into the root pot of the seedlings. A claw support device 28 for supporting the claw 27 and a claw driving device 29 for moving the claw support device 28 are provided.
The pawl driving device 29 is fixed to the machine frame 16, and the power of the engine is transmitted from the transmission case 4 via the transmission shaft 30. A drive shaft 31 for driving the seedling supply device 20 protrudes from the claw drive device 29.

As shown in FIG. 3 to FIG.
2 is a planting cylinder 33 supported by the parallel link mechanism 32 and moving in an elliptical orbit that is long in the vertical direction and short in the front and rear direction.
Having. The planting cylinder 33 receives the seedling from the seedling removal device 21 at the top dead center, and implants the seedling in the ridge at the bottom dead center. The planting frame 18 is provided with a planting transmission 34 that swings the parallel link mechanism 32 to move the planting cylinder 33 in the elliptical orbit. The planting transmission device 34 includes an output shaft 35 provided concentrically on a pivot portion of the planting frame 18 and a planting frame 1.
8 and a crankshaft 36 supported by a chain via a sprocket. The output shaft 35 is driven by the power of the engine. Further, a pin 37 of the crankshaft 36 is connected to the parallel link mechanism 32 to swing the parallel link.

The lower part of the planting cylinder 33 is an openable / closable cup 38 which can be opened and closed in the front-rear direction. The openable / closable cup 38 is opened / closed by an open / close mechanism (not shown). The machine frame 16 is provided with a scraper device for scraping off mud adhering to the inner and outer surfaces of the opening / closing cup 38. That is, a scraper arm 39 is provided on the machine frame 16 so as to be swingable in the front-rear direction in a hanging manner.
0 is protruded, and an inner scraper 41 and an outer scraper 42 are fixed to the lower end of the arm 39. These scrapers 41 and 42 are formed of elastic members. An opening 43 into which an inner scraper 41 is inserted is provided on the rear side of the opening / closing cup 38.
An inclined plate 44 that engages with the bearing 40 and swings the scraper arm 39 is protrudingly provided on the side surface.

After receiving the seedling at the top dead center, the planting cylinder 33 descends and pierces the top surface of the ridge to pierce the planting hole.
Opening and closing the opening / closing cup 38 by an opening / closing mechanism (not shown), the seedling is raised while leaving the seedlings in the planting holes. In the raising step, the inclined plate 44 is engaged with the bearing 40, and the arm 39 is swung to swing the inner surface Open the scraper 41 to the opening 43
From the opening and closing cup 38,
The soil attached to the inner surface of the opening and closing cup 38 is scraped off by the outer scraper 42 while the soil attached to the inner surface of the opening is scraped off.

The crushing device 23 is provided with the planting frame 1.
8 has a pressure-reducing wheel support frame 46 pivotally supported on a leg 45 projecting downward in the middle of the frame 8 so as to be vertically movable. Brackets 47 are provided on both left and right sides of the support frame 46 so that the position in the left and right directions can be adjusted. A crushing wheel support 48 is attached to the bracket 47 with a pair of left and right bolts 49, and the crushing wheel 5 shown as an example of a crushing member is attached to the support 48.
0 is rotatably supported. Left and right pair of compression wheels 50
Are arranged in a C-shape when viewed from the front,
By adjusting the bolt and the bolt 49, the inclination of the C-shaped arrangement can be adjusted freely.

As shown in FIG. 5, the compression ring 50 is arranged so as to roll on the ridge top surfaces on both the left and right sides of the planting hole 52, so that the upper part of the planting hole 52 is not collapsed and the planting hole 52 is collapsed. The inclination angle is adjusted so as to press the periphery of the planting hole so as to extrude and solidify the lower part of the plant. That is, the pressing direction line at the planting hole side end of the pressure suppression wheel 50 is inclined and disposed so as to pass outside the root pot portion 53 of the seedling stored in the planting hole 52.

In transplanting tobacco seedlings, the seedlings are planted with the planting holes 52 being deepened. However, by preventing the upper portion of the planting holes 52 from collapsing as in the present invention, the growth of the seedlings is improved. . At the rear of the machine frame 16, a pressure-reducing strength adjusting lever 54 is provided so as to be able to swing back and forth, and an L-shaped link 55 pivotally supported by the rear of the machine frame 16 is connected to a spring 56. And the L-shaped link 55
And the rear end of the planting frame 18 are connected. Therefore, the planting frame 18 is elastically supported by the machine frame 16 by the spring 56.

At the rear of the planting frame 18, a planting depth adjusting lever 57 is pivotally supported so as to be able to swing up and down, and the swinging end of the lever 57 and the pressure-reducing wheel support frame 46 are connected. ing. By rotating the planting depth adjusting lever 57, the planting cylinder 3 supported by the planting frame 18 is rotated.
The relative height between 3 and compression wheel 50 is adjusted, and the depth of planting hole 52 is adjusted.

At the rear of the planting frame 18, a leveling roller adjusting lever 58 is provided, and a wire 59 is connected to the lever 58. The wire 59 is connected to the leveling bracket 24, and The ground pressure can be adjusted. According to the transplanter of the above configuration, since the compression ring 50 does not break the upper part of the planting hole 52 and presses the root pot portion 53,
It is suitable for transplanting tobacco seedlings and the like.

It should be noted that the present invention is not limited to the embodiment described above, and a crushing member may be constituted by a sled body or the like instead of the crushing wheel. Further, it is not limited to the walking type transplanter, and may be a riding type.

[0023]

According to the present invention, the crushing member presses the root pot without breaking the planting hole, which is suitable for transplanting deep holes such as tobacco seedlings.

[Brief description of the drawings]

FIG. 1 is a side view of an implanting machine showing an embodiment of the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a side view of the implantation device.

FIG. 4 is a plan view of the implantation device.

FIG. 5 is a rear view of the implantation device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Running device 2 Transplantation device 22 Planting device 23 Suppression device 50 Suppression member 52 Planting hole 53 Root pot part

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Nobuhide Yanagawa 64 Ishizu-Kitacho, Sakai-shi, Osaka Inside Kubota Sakai Works

Claims (4)

[Claims] 1. A method for supplying seedlings to a planting hole and crushing the periphery of the planting hole, wherein the planting is performed so that the lower part of the planting hole is extruded and solidified without collapsing the upper part of the planting hole. A method for repressing a transplanter that presses the periphery of a hole. 2. The pressing of the periphery of the planting hole is performed by a pressure-suppressing member provided in a traveling device, and the pressure-suppressing member is disposed on the lateral side of the planting hole in the traveling direction. 2. The method for repressing a transplanter according to claim 1, wherein the pressing direction line at the end of the planting hole is inclined so as to pass outside the root pot of the seedling stored in the planting hole. 3. A transplanting machine comprising a traveling device and a transplanting device provided in the traveling device, wherein the transplanting device has a planting hole for piercing a planting hole in a field and planting a seedling in the hole. And a pressure-reducing device that suppresses the periphery of the planting hole, the pressure-reducing device includes a pressure-suppressing member that is disposed on the lateral side of the planting hole in the traveling direction, and the pressure-suppressing member is A pressure-reducing device for a transplanter, wherein a pressing direction line at a side end of a planting hole is obliquely arranged so as to pass outside a root pot portion of a seedling stored in the planting hole. 4. The pressure-reducing device for a transplanter according to claim 3, wherein the pressure-reducing member is composed of pressure-reducing wheels disposed on both left and right sides of the planting hole, and the inclination arrangement angle of the pressure-reducing wheels is adjustable.